// Copyright (C) 2022. Huawei Technologies Co., Ltd. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#include "TensorStream.h"

namespace raul::io::tensor
{

int getStreamIndex()
{
    static int const index = std::ios_base::xalloc();
    return index;
}

std::ostream& full(std::ostream& os)
{
    auto flags = TensorView::size | TensorView::content;
    return os << setview(flags);
}

std::ostream& compact(std::ostream& os)
{
    auto flags = TensorView::size | TensorView::content | TensorView::reduced;
    return os << setview(flags);
}

std::ostream& brief(std::ostream& os)
{
    auto flags = 0;
    return os << setview(flags);
}

bool isSetFlag(std::ostream& os, TensorView option)
{
    const auto index = getStreamIndex();
    const auto value = os.iword(index);
    const auto flag = value & static_cast<long>(option);
    return flag;
}

} // namespace raul::io::tensor'